我无法找到这个问题的解决方案或答案，因为似乎有很多开发人员正在经历它。我正在生成一个 ics 文件，但 VALARMS 没有在谷歌日历或 Outlook 2007 中设置提醒。我的 ics 文件如下所示：
BEGIN:VCALENDAR
PRODID:-//Google Inc//Google Calendar 70.9054//EN
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:REQUEST
BEGIN:VEVENT
DTSTART:20180719T094000Z
DTEND:20180719T104000Z
DTSTAMP:20180718T094001Z
RRULE:FREQ=DAILY
UID:bhanu@shinycreek.com
ORGANIZER;CN=bhanu@shinycreek.com:mailto:bhanu@shinycreek.com
ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE;CN=shrikant@shinycreek.com;X-NUM-GUESTS=0:mailto:shrikant@shinycreek.com
ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP=TRUE;CN=johndoe_gemsessence@outlook.com;X-NUM-GUESTS=0:mailto:johndoe_gemsessence@outlook.com
ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;RSVP=TRUE;CN=bhanu@shinycreek.com;X-NUM-GUESTS=0:mailto:bhanu@shinycreek.com
CREATED:20180718T094001Z
DESCRIPTION:This is a meeting invitation for testing of invitation sent by email.
LAST-MODIFIED:20180718T094001Z
LOCATION:Indore, Madhya Pradesh
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Calender invitation for testing
TRANSP:OPAQUE
BEGIN:VALARM
TRIGGER:-P30M
DESCRIPTION:Event reminder
ACTION:EMAIL
END:VALARM
END:VEVENT
END:VCALENDAR
谷歌日历忽略了我给定的 VALARMS 并10 minutes before在警报部分显示它的默认值。我没有得到任何理由为什么谷歌和日历忽略 valarms。
如果有任何解决方案来解决这个问题，请帮助我。提前致谢。